Troubleshooting -
1.) Verify Internet connectivity
2.) Verify account settings
3.) Disable email scanning*
4.) Telnet to verify that Firewall allows access to the ports being used
Click on the Start menu
Click on Run
Type: cmd
Press Enter
In the DOS window type: telnet mail.yourdomain.com 110
Press Enter
If connected to the port the server will respond with something similar
to: +OK X1 NT-POP3 Server yourdomain.com (IMail 8.22 26075-6)
If the server does not respond, please contact system administrator to open the port

*Disable email scanning
Norton Antivirus 2003, 2004, 2005
a.) Exit any email programs that are running
b.) Start Norton AntiVirus. If Norton AntiVirus is installed as part of
Norton SystemWorks or Norton Internet Security, then start the program.
c.) Click Options
d.) If you see a menu, click Norton AntiVirus
e.) In the left pane, click Email
f.) In the right pane, uncheck Scan incoming Email and Scan outgoing Email
g.) Click OK
h.) If you are running Norton AntiVirus 2005, then in the Protection
Alert dialog box, on the drop-down menu, click Permanently, and then
click OK